Update challenge_5.md

shivaylamba · sreejasaha19 · commit 12f121e06f17 · 2022-09-09T11:24:11.000+05:30
Signed-off-by: Sreeja &lt;sreejasaha.ece2019@nsec.ac.in&gt;
diff --git a/Challenges/challenge_5.md b/Challenges/challenge_5.md
@@ -25,4 +25,4 @@ name: your_name
 github_user_name: YOUR-GITHUB-USERNAME
 ---
 ```
-5. Submit your Pull Request
+5. Submit your Pull Request on the main challenge repo.
